1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1 2 /* 3 * OpenRISC Linux 4 * 5 * Linux architectural port borrowing liberall 6 * others. All original copyrights apply as p 7 * declaration. 8 * 9 * OpenRISC implementation: 10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@s 11 * et al. 12 */ 13 14 #ifndef __ASM_OPENRISC_IO_H 15 #define __ASM_OPENRISC_IO_H 16 17 #include <linux/types.h> 18 #include <asm/pgalloc.h> 19 #include <asm/pgtable.h> 20 21 /* 22 * PCI: We do not use IO ports in OpenRISC 23 */ 24 #define IO_SPACE_LIMIT 0 25 26 /* OpenRISC has no port IO */ 27 #define HAVE_ARCH_PIO_SIZE 1 28 #define PIO_RESERVED 0X0UL 29 #define PIO_OFFSET 0 30 #define PIO_MASK 0 31 32 /* 33 * I/O memory mapping functions. 34 */ 35 #define _PAGE_IOREMAP (pgprot_val(PAGE_KERNEL) 36 37 #include <asm-generic/io.h> 38 39 #endif 40
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